[Cerowrt-devel] 6relayd

Steven Barth cyrus at openwrt.org
Fri Jan 3 13:15:24 EST 2014


I haven't really touched 6relayd since October so not sure what is wrong 
There was a problem with its init script recently due to some shell 
script change in OpenWrt which I hopefully fixed yesterday (couldn't 
verify the issue or fix yet though).

Feel free to provide me with some debugging information of the system 
while PD fails for you so I can have a look at the probable cause:

* "ifstatus ge00" (replace ge00 with your IPv6 upstream interface)
* "ip addr list dev ge01" (replace ge01 with the interface your 
downstream router is connected)
* "ps | grep 6relayd"

Anyway I will migrate all the stuff to odhcpd soon (it's successor which 
shares a good part of the codebase but is a bit better integrated with 
the rest of the environment).



On 03.01.2014 18:31, Dave Taht wrote:
> On Fri, Jan 3, 2014 at 11:50 AM, cb.list6 <cb.list6 at gmail.com> wrote:
>> On Fri, Jan 3, 2014 at 8:40 AM, Dave Taht <dave.taht at gmail.com> wrote:
>>> At one level I am happy to figure out this is a recently introduced bug.
>>> On the other hand I am not sure if it is 6relayd.
>>> What version of cero was working for you?
>> I am not entirely sure, but i think it was from September.
>> CB
> At the moment I lack the ability to debug the breakage in ipv6 dhcp-pd
> (which is odhcpd) (I am travelling).
> I will on my next stop next week (tuesday) setup a dhcpv6pd server and
> see what I can see.
>>> On Jan 3, 2014 12:21 AM, "cb.list6" <cb.list6 at gmail.com> wrote:
>>>> Hi,
>>>> I have been using CeroWRT on Comcast with a 3800 for about 6 month.  The
>>>> DHCP-PD config has always been a little unstable for me, but working.
>>>> I recently upgraded to:
>>>>   root at cerowrt:/etc/config# uname -a
>>>> Linux cerowrt 3.10.24 #1 Tue Dec 24 10:50:15 PST 2013 mips GNU/Linux
>>>> My WAN gets a /128, but i cannot get DHCP-PD to work to get addresses on
>>>> the rest of my interfaces.  The router does seem to have good IPv6 access.
>>>> I fiddled with the 6relayd config and came up with this, but it does not
>>>> work.  Any pointers on how to get this back on track?  The result of the
>>>> below config is that the /128 from the WAN interfaces is now present on all
>>>> the interfaces but my attached computers get no addresses.
>>>> config server 'default'
>>>>          option rd 'server'
>>>>          option dhcpv6 'server'
>>>>          option management_level '1'
>>>>          list network 'ge01'
>>>>          list network 'gw00'
>>>>          list network 'gw01'
>>>>          list network 'gw10'
>>>>          list network 'gw11'
>>>>          list network 'se00'
>>>>          list network 'sw00'
>>>>          list network 'sw10'
>>>>          option fallback_relay 'rd dhcpv6 ndp'
>>>>          option master 'ge00'
>>>> root at cerowrt:/etc/config# uname -a
>>>> _______________________________________________
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